4. Conclusion
Monoclinic and triclinic polymorphs of 2-{5,5-dimethyl 3-[2-(2,4,6-trimethoxyphenyl)vinyl]cyclohex-2-enylidene}
malononitrile have been studied by means of solid-state IR-LD
spectroscopy of oriented in nematic liquid crystal suspension
solid samples. Both IR-characteristic band assignment and structural information have been carried out, where the data are
compared with known crystallographic ones, thus confirming
the validity of IR-LD spectral conclusions.